/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.flink.hadoopcompatibility.mapred.record.datatypes;

import java.io.Serializable;

import org.apache.flink.types.Record;


/**
 * An interface describing a class that is able to 
 * convert Hadoop types into Flink's Record model.
 * 
 * The converter must be Serializable.
 * 
 * Flink provides a DefaultHadoopTypeConverter. Custom implementations should
 * chain the type converters.
 */
public interface HadoopTypeConverter<K, V> extends Serializable {
	
	/**
	 * Convert a Hadoop type to a Flink type.
	 */
	public void convert(Record record, K hadoopKey, V hadoopValue);
}
